Function writeRetry

examples/ExternalUI/ExternalExampleUI.cpp:55–66

Helper function to keep trying to write until it succeeds or really errors out

// Helper function to keep trying to write until it succeeds or really errors out
static ssize_t
writeRetry(int fd, const void* src, size_t size)
{
    ssize_t error;
    int attempts = 0;

    do {
        error = write(fd, src, size);
    } while (error == -1 && (errno == EINTR || errno == EPIPE) && ++attempts < 5);

    return error;
}
#endif

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